SAA5700 查看數據表（PDF） - Philips Electronics
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SAA5700 Datasheet PDF : 24 Pages
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Philips Semiconductors
Chinese Character System Teletext
(CCST) decoder
Preliminary specification
SAA5700
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VDDD1
VDDD2
VDDA
VDDX
VI(max)
VO(max)
∆VDDX-DDn
II(d)
IO(d)
IO(max)
Tstg
Tamb
PARAMETER
digital supply voltage 1
digital supply voltage 2
analog supply voltage
supply voltage X
maximum input voltage (any input)
maximum output voltage (any output)
supply voltage difference
between VDDX, VDDD1, VDDD2 and VDDA
diode input current (DC)
diode output current (DC)
maximum output current (any output)
storage temperature
operating ambient temperature
MIN.
−0.3
−0.3
−0.3
−0.3
−0.3
−0.3
−
−
−
−
−55
−20
MAX.
+6.5
+6.5
+6.5
+6.5
VDD + 0.5
VDD + 0.5
0.25
20
20
10
+125
+70
UNITS
V
V
V
V
V
V
V
mA
mA
mA
°C
°C
CHARACTERISTICS
Tamb = −20 to +70 °C and VDDn = 4.5 to 5.5 V; unless otherwise indicated.
SYMBOL
PARAMETER
CONDITIONS
MIN.
Power supplies
VDDD1
digital supply voltage 1
4.5
IDDD1
digital supply current 1
−
VDDD2
digital supply voltage 2
4.5
IDDD2
digital supply current 2
−
VDDA
analog supply voltage
4.5
IDDA
analog supply current
−
VDDX
supply voltage X
4.5
IDDX
supply current X
−
IDD(tot)
total supply current
−
Inputs
CVBS
Vsync
Vbur(p-p)
sync amplitude
colour burst amplitude
(peak-to-peak value)
VI(video)(p-p) video input amplitude (peak-to-peak
value)
VI(data)
Zsource
VSW(I)
teletext data amplitude
source impedance
input switching level of sync
separator
Ci
input capacitance
0.1
0
0.7
0.29
−
1.6
−
1997 May 16
9
TYP.
5.0
95
5.0
2.4
5.0
40
5.0
32
170
0.3
0.3
1.0
0.46
−
1.9
−
MAX.
UNIT
5.5
V
140
mA
5.5
V
6.5
mA
5.5
V
53
mA
5.5
V
40
mA
240
mA
0.6
V
4
V
1.4
V
0.71
V
250
Ω
2.2
V
10
pF
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